Home / 8,267.26-12,400.88-2,111.26

Finding the Fourth Proportional to 8,267.26, 12,400.88 and 2,111.26

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Solution

The fourth proportional to 8,267.26, 12,400.88 and 2,111.26 is: 3,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.26 : 12,400.88 = 2,111.26 : x
  2. Step 2: Convert to fraction form
    8,267.26/12,400.88 = 2,111.26/x
  3. Step 3: Cross multiply
    8,267.26x = 12,400.88 × 2,111.26
  4. Step 4: Simplify right side
    8,267.26x = 26,181,481.91
  5. Step 5: Solve for x
    x = 26,181,481.91/8,267.26
  6. Step 6: Final answer
    x = 3,166.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.